Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
England · Local authority
PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website
27,897 approved · 4,662 refused · 2,132 withdrawn. Received dates in our records: 29 Apr 1948 to 21 Oct 2026. Most recent record check: 27 Oct 2026. Counts reflect the last collected status; some records may be out of date.
Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.
Interactive planning map loads with JavaScript. Dataset sources are linked below.
Download Article 4 coverage for all authorities (CSV)
Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.
Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.
Boundary of 48 & 50 Sherrardspark Road, Welwyn Garden City, AL8 7LB
Received 31 May 201674 BROCKSWOOD LANE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7BQ
Received 11 May 2009A Brand And Son Ltd Bulls Lane Hatfield AL9 7BB
Received 11 Jan 202148 Elmwood Welwyn Garden City AL8 6LE
Received 6 Jul 202116 Selwyn Drive, Hatfield, AL10 9NJ
Received 15 Feb 201631 Woodland Rise, Welwyn Garden City, AL8 7LJ
Received 19 Sept 201636 Thornton Road Little Heath Potters Bar EN6 1JH
Received 20 Jun 20257 Danesbury Lane Welwyn AL6 9SG
Received 15 Feb 202126 Dellcott Close Welwyn Garden City AL8 7BD
Received 2 Dec 20204 Coneydale Welwyn Garden City AL8 7RY
Received 7 Feb 2019Stanborough School, Lemsford Lane, Welwyn Garden City, AL8 6YR
Received 23 Dec 201527 Haseldine Meadows Hatfield AL10 8HA
Received 8 Jul 20206 Calder Avenue Brookmans Park AL9 7AQ
Received 11 May 202131 Ayot Green Ayot St Peter Welwyn AL6 9AB
Received 17 Jun 2019Premier Inn Stanborough Road Welwyn Garden City AL8 6DQ
Received 21 Feb 202020 Reynards Road Welwyn AL6 9TP
Received 16 Feb 201613 Pentley Park, Welwyn Garden City, AL8 7RT
Received 11 Feb 20153 Glenwood Welwyn Garden City AL7 2JT
Received 18 Sept 20191 REDDINGS, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LA
Received 5 Jul 20086 Oaklea Welwyn AL6 0PU
Received 2 Feb 2024WELL COTTAGE, CUCUMBER LANE, ESSENDON, HATFIELD, HERTFORDSHIRE, AL9 6JB
Received 31 Jan 2008Home Farm 6 Whitehill Welwyn Hertfordshire AL6 9AF
Received 8 Mar 202247 Warren Way Digswell Welwyn AL6 0DL
Received 9 Mar 202611 The Green Welwyn AL6 9EA
Received 10 Feb 2021Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsArea alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.
Set up an area alertStart with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.
How to search planning applications
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

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Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

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Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.
The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.
Check collection coverage